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Nice try Yuri, but you can see no one is buying into your theories.
A shield works the way a shield works. The time-varying fields, once the frequency is high enough so the shield is several skin depths thick, really isolates everything from passing through the shield. The primary coupling is via the voltage across the gap and the current flowing around that edge. The shield is the actual antenna. Not the conductor inside the shield. Noise is NOT any particular field impedance. There is nothing that says noise is electric field dominant at the radiator, and if it was just a few feet away (about 1/10th wave) it would change anyway. If you disagree with how a shield works or if you think electrical noise is a high field impedance or electric field dominant, then you should say why or how that is true. 73 Tom |
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